Pipe threads, when used on pipe that will contain liquid or vapor under pressure, ____.
A. are tapered
B. should have at least seven perfect threads
C. generally have a "V" shape
D. All of the above.
Answer: D
You might also like to view...
What is the generally recommended method of filling a new secondary fuel filter following a filter service?
A. charge air tanks with shop air B. install an auxiliary electric pump into the fuel sub-system C. hand or electric pump prime after installation D. fill with fuel prior to installation onto the filter mounting pad
__________ is the amount that must be subtracted from a desired stub-up height so the bend will come out right.
a. Sweep b. Stub height c. Saddle mark d. Take-up
The temperature coefficient of a thermistor can be either positive or negative by connecting its control input to ground
Indicate whether the statement is true or false
__________ controls are desirable for efficient system operation.
A. Dual-pressure B. Electronic C. High-pressure D. Low-pressure